syscalls: update syscall table and add placeholders for link functions

lux-operating-system · Jan 7, 2025 · 31f5afe · 31f5afe
1 parent e8c6384
commit 31f5afe
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Showing 2 changed files with 39 additions and 37 deletions.
diff --git a/src/include/kernel/syscalls.h b/src/include/kernel/syscalls.h
@@ -11,12 +11,12 @@
 #include <stdbool.h>
 #include <kernel/sched.h>
 
-#define MAX_SYSCALL             58
+#define MAX_SYSCALL             60
 
 /* IPC syscall indexes, this range will be used for immediate handling without
  * waiting for the kernel thread to dispatch the syscall */
-#define SYSCALL_IPC_START       42      // bind()
-#define SYSCALL_IPC_END         46      // send()
+#define SYSCALL_IPC_START       43      // bind()
+#define SYSCALL_IPC_END         47      // send()
 #define SYSCALL_RW_START        16      // read()
 #define SYSCALL_RW_END          17      // write()
 #define SYSCALL_LSEEK           20      // lseek()

diff --git a/src/syscalls/dispatch.c b/src/syscalls/dispatch.c
@@ -692,44 +692,46 @@ void (*syscallDispatchTable[])(SyscallRequest *) = {
     syscallDispatchChmod,       // 22 - chmod()
     NULL,                       // 23 - link()
     NULL,                       // 24 - unlink()
-    syscallDispatchUmask,       // 25 - umask()
-    syscallDispatchMkdir,       // 26 - mkdir()
-    NULL,                       // 27 - rmdir()
-    syscallDispatchUtime,       // 28 - utime()
-    NULL,                       // 29 - chroot()
-    syscallDispatchChdir,       // 30 - chdir()
-    syscallDispatchGetCWD,      // 31 - getcwd()
-    syscallDispatchMount,       // 32 - mount()
-    NULL,                       // 33 - umount()
-    syscallDispatchFcntl,       // 34 - fcntl()
-    syscallDispatchOpendir,     // 35 - opendir()
-    syscallDispatchClosedir,    // 36 - closedir()
-    syscallDispatchReaddir,     // 37 - readdir_r()
-    syscallDispatchSeekdir,     // 38 - seekdir()
-    syscallDispatchTelldir,     // 39 - telldir()
+    NULL,                       // 25 - symlink()
+    NULL,                       // 26 - readlink()
+    syscallDispatchUmask,       // 27 - umask()
+    syscallDispatchMkdir,       // 28 - mkdir()
+    syscallDispatchUtime,       // 29 - utime()
+    NULL,                       // 30 - chroot()
+    syscallDispatchChdir,       // 31 - chdir()
+    syscallDispatchGetCWD,      // 32 - getcwd()
+    syscallDispatchMount,       // 33 - mount()
+    NULL,                       // 34 - umount()
+    syscallDispatchFcntl,       // 35 - fcntl()
+    syscallDispatchOpendir,     // 36 - opendir()
+    syscallDispatchClosedir,    // 37 - closedir()
+    syscallDispatchReaddir,     // 38 - readdir_r()
+    syscallDispatchSeekdir,     // 39 - seekdir()
+    syscallDispatchTelldir,     // 40 - telldir()
 
     /* group 3: interprocess communication */
-    syscallDispatchSocket,      // 40 - socket()
-    syscallDispatchConnect,     // 41 - connect()
-    syscallDispatchBind,        // 42 - bind()
-    syscallDispatchListen,      // 43 - listen()
-    syscallDispatchAccept,      // 44 - accept()
-    syscallDispatchRecv,        // 45 - recv()
-    syscallDispatchSend,        // 46 - send()
-    syscallDispatchKill,        // 47 - kill()
-    syscallDispatchSigAction,   // 48 - sigaction()
-    syscallDispatchSigreturn,   // 49 - sigreturn()
+    syscallDispatchSocket,      // 41 - socket()
+    syscallDispatchConnect,     // 42 - connect()
+    syscallDispatchBind,        // 43 - bind()
+    syscallDispatchListen,      // 44 - listen()
+    syscallDispatchAccept,      // 45 - accept()
+    syscallDispatchRecv,        // 46 - recv()
+    syscallDispatchSend,        // 47 - send()
+    syscallDispatchKill,        // 48 - kill()
+    syscallDispatchSigAction,   // 49 - sigaction()
+    syscallDispatchSigreturn,   // 50 - sigreturn()
 
     /* group 4: memory management */
-    syscallDispatchSBrk,        // 50 - sbrk()
-    syscallDispatchMmap,        // 51 - mmap()
-    NULL,                       // 52 - munmap()
+    syscallDispatchSBrk,        // 51 - sbrk()
+    syscallDispatchMmap,        // 52 - mmap()
+    NULL,                       // 53 - munmap()
+    NULL,                       // 54 - msync()
 
     /* group 5: driver I/O functions */
-    syscallDispatchIoperm,      // 53 - ioperm()
-    syscallDispatchIRQ,         // 54 - irq()
-    syscallDispatchIoctl,       // 55 - ioctl()
-    syscallDispatchMMIO,        // 56 - mmio()
-    syscallDispatchPContig,     // 57 - pcontig()
-    syscallDispatchVToP,        // 58 - vtop()
+    syscallDispatchIoperm,      // 55 - ioperm()
+    syscallDispatchIRQ,         // 56 - irq()
+    syscallDispatchIoctl,       // 57 - ioctl()
+    syscallDispatchMMIO,        // 58 - mmio()
+    syscallDispatchPContig,     // 59 - pcontig()
+    syscallDispatchVToP,        // 60 - vtop()
 };